Hardware Spec Index

Caldera PW-8920 Pro 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW8920-PRO · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index687 (Power Supplies scale)
Category rank#41,844
Street price$39
Power550 W (rated)
Performance per dollar17.62
Released2021

Specifications

BrandCaldera
ModelCaldera PW-8920 Pro
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-1722 Prime 1000W 80 PLUS Gold SFX Power Supply2,019$199Compare
Teralux PW-7359 Pro 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,980$399Compare
Vantrel PW-5030 Pro 850W 80 PLUS Gold SFX Power Supply2,062$179Compare
Teralux PW-9880 Pro 750W 80 PLUS Bronze ATX Power Supply1,029$49Compare
Caldera PW-7931 Ti 1200W 80 PLUS Titanium ATX Power Supply2,295$269Compare
Teralux PW-7947 Ultra 650W 80 PLUS Bronze SFX Power Supply747$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8920 Pro 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/93027282 (accessed 2026-10-22).